Portion of a speaker



FIG. 1 is a perspective view of a portion of a speaker showing my new design;

FIG. 2 is a reduced front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view of one side thereof, the other side view being a mirror image thereof; and,

FIG. 5 is a top plan view thereof.

The broken lines with in the claimed area in FIGS. 1-2 and 4-5 represent the bounds of the claim and all other broken lines are for illustrative purposes only. None of the broken lines form a part of the claimed design. 

The ornamental design for a portion of a speaker, as shown and described. 